Assignment task: Answer the following questions.
Problem 1: Describe the characteristics of a scientific hypothesis. How does a hypothesis differ from a scientific law?
Problem 2: Compare and contrast the geocentric and heliocentric models of the solar system. How does each explain the retrograde motion of the planets? What are the strengths and weaknesses of each system? What evidence was used to support each model?
Problem 3: What observations did Galileo make that led him to realize that the geocentric model of the universe was not correct?
Problem 4: Eratosthenes correctly estimated the circumference of the Earth to be about 40,000 km in ca. 200 BCE. Yet incredibly, many people have begun to argue that the Earth is flat. Describe five observations that can be used to refute an argument that the Earth is flat.
Problem 5: The use of outside sources is optional, but you must provide citations and references using Fraknoi, A., Morrison, D., & Wolff, S. C. (2016). Astronomy. Houston, TX: OpenStax.